Home / 1,484.24-2,226.66-497.15

Finding the Fourth Proportional to 1,484.24, 2,226.66 and 497.15

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Solution

The fourth proportional to 1,484.24, 2,226.66 and 497.15 is: 745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.24 : 2,226.66 = 497.15 : x
  2. Step 2: Convert to fraction form
    1,484.24/2,226.66 = 497.15/x
  3. Step 3: Cross multiply
    1,484.24x = 2,226.66 × 497.15
  4. Step 4: Simplify right side
    1,484.24x = 1,106,979.37
  5. Step 5: Solve for x
    x = 1,106,979.37/1,484.24
  6. Step 6: Final answer
    x = 745.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.